ladies and gentlemen, miss jennifer lopez! >> reporter: rock and roll icon steven tyler and music movie superstar yen officer lopez say they are thrilled to join one of television's top shows. >> you know, it is being a part of something much bit bigger than yourself. >> i'm he so excited to be here. i'm he so excited to work with all of you and watch you grow and watch the journey that we are about to take together. >> reporter: the celebrity judges join original and returning panel member randy jackson at the table. together, they are taking the competition for the next level. >> between the heart and the path and the street cred, this will be a richter scale event. >> i'm looking for the next michael jackson. we are looking like randy said for the best american idol ever. >> reporter: singers will be encouraged to sing inside their own genre. and second, there will be no celebrity guest judges this year. adam housley, fox news. >> plenty still ahead. your weather, traffic and all of your top stories. fox 5